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Time Correlating
I 11 order to time correlate the data, the logic analyzer must store the
the Data
timing relationships between states. Since the timing analyzer samples
asynchronously and the state analyzer samples synchronously, the logic
analyzer must use the stored timing relationship of the data to
reconstruct a time correlated display.
To set up the logic analyzer to keep track of these timing relationships,
turn on a counter in the State Trace Specification menu. The following
steps show you how:
1.
Display the State Trace Specification menu.
2. Place the cursor in the field just below Count on the right side of
the display and press SELECT.
HP 16528/1653B
Timing/State Measurement Example
Front-Panel Reference
21-11
3. Place the cursor on the Time option and press SELECT. The
counter will now be able to keep track of time for the time
correlation.
p5i%zFq-
State
Trace Speciflcstlon
Trace
mcde 1-1
Sequence Levels
Hhile
storing
" any state"
Trigger
on "0"
I times
Store
" any t to te"
Armed by
[
Run
)
Branches
1
Off
]
Count
[
Time
)
Pres tore
1
Off
1
Figure 21-9. Count Set to Time
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